Nervous System

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Across
  1. 3. the vital stalk-like structure connecting the cerebrum and cerebellum to the spinal cord
  2. 5. chemical messengers that transmit signals across the synapse
  3. 7. Specialized nerve cells of the nervous system, acting as messengers that transmit signals
Down
  1. 1. the junction where two neurons communicate
  2. 2. a short branched extension of a nerve cell
  3. 4. Receives sensory input, processes information, and sends motor commands
  4. 6. The long extension of a nerve cell
  5. 8. a rapid, involuntary, automatic response, occurring without conscious thought, often to protect the body from harm